runtime(java): Optionally recognise _module_ import declarations
Define "g:java_syntax_previews" and include number 476 in
its list to enable this recognition:
------------------------------------------------------------
let g:java_syntax_previews = [476]
------------------------------------------------------------
Reference:
https://openjdk.org/jeps/476
closes: #15709
Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/java.vim b/runtime/syntax/java.vim
index bbef266..800faa4 100644
--- a/runtime/syntax/java.vim
+++ b/runtime/syntax/java.vim
@@ -3,7 +3,7 @@
" Maintainer: Aliaksei Budavei <0x000c70 AT gmail DOT com>
" Former Maintainer: Claudio Fleiner <claudio@fleiner.com>
" Repository: https://github.com/zzzyxwvut/java-vim.git
-" Last Change: 2024 Sep 18
+" Last Change: 2024 Sep 19
" Please check :help java.vim for comments on some of the options available.
@@ -92,6 +92,13 @@
syn keyword javaOperator new instanceof
syn match javaOperator "\<var\>\%(\s*(\)\@!"
+if s:ff.IsRequestedPreviewFeature(476)
+ " Module imports can be used in any source file.
+ syn match javaExternal "\<import\s\+module\>" contains=javaModuleImport
+ syn keyword javaModuleImport contained module
+ hi def link javaModuleImport Statement
+endif
+
" Since the yield statement, which could take a parenthesised operand,
" and _qualified_ yield methods get along within the switch block
" (JLS-17, §3.8), it seems futile to make a region definition for this